Specifications nice looking easy to install anti corruption fire-proofing strong enough for pressure The model T bar is made of advance galvanize and painting board ofr better anticorrisive and fire- proofing.It is easy to install and strong enough for pressure.there are many kinds of products in different size. Designers prefer to use in projects such as office, shopping mark school,hallway and hospital etc.different areas. SPECIFICATION: 20*20mm 21*21mm 23*38mm 23*32mm 24*28mm 24*26mm thickness: 0.30-0.60mm color:white and black shape type: L shaep The size can produce by the customer order.